A.G. Shah. VIBRATION ANALYSIS OF THREE-LAYERED FUNCTIONALLY GRADED CYLINDRICAL SHELLS WITH ISOTROPIC MIDDLE LAYER RESTING ON WINKLER AND PASTERNAK FOUNDATIONS. PJS [Internet]. 2022 Dec. 28 [cited 2026 Jun. 24];65(2). Available from: http://pjosr.com/index.php/pjs/article/view/704